xref: /openbmc/linux/sound/soc/codecs/alc5623.c (revision afb46f79)
1 /*
2  * alc5623.c  --  alc562[123] ALSA Soc Audio driver
3  *
4  * Copyright 2008 Realtek Microelectronics
5  * Author: flove <flove@realtek.com> Ethan <eku@marvell.com>
6  *
7  * Copyright 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
8  *
9  *
10  * Based on WM8753.c
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  *
16  */
17 
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/delay.h>
22 #include <linux/pm.h>
23 #include <linux/i2c.h>
24 #include <linux/regmap.h>
25 #include <linux/slab.h>
26 #include <sound/core.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/tlv.h>
30 #include <sound/soc.h>
31 #include <sound/initval.h>
32 #include <sound/alc5623.h>
33 
34 #include "alc5623.h"
35 
36 static int caps_charge = 2000;
37 module_param(caps_charge, int, 0);
38 MODULE_PARM_DESC(caps_charge, "ALC5623 cap charge time (msecs)");
39 
40 /* codec private data */
41 struct alc5623_priv {
42 	struct regmap *regmap;
43 	u8 id;
44 	unsigned int sysclk;
45 	unsigned int add_ctrl;
46 	unsigned int jack_det_ctrl;
47 };
48 
49 static inline int alc5623_reset(struct snd_soc_codec *codec)
50 {
51 	return snd_soc_write(codec, ALC5623_RESET, 0);
52 }
53 
54 static int amp_mixer_event(struct snd_soc_dapm_widget *w,
55 	struct snd_kcontrol *kcontrol, int event)
56 {
57 	/* to power-on/off class-d amp generators/speaker */
58 	/* need to write to 'index-46h' register :        */
59 	/* so write index num (here 0x46) to reg 0x6a     */
60 	/* and then 0xffff/0 to reg 0x6c                  */
61 	snd_soc_write(w->codec, ALC5623_HID_CTRL_INDEX, 0x46);
62 
63 	switch (event) {
64 	case SND_SOC_DAPM_PRE_PMU:
65 		snd_soc_write(w->codec, ALC5623_HID_CTRL_DATA, 0xFFFF);
66 		break;
67 	case SND_SOC_DAPM_POST_PMD:
68 		snd_soc_write(w->codec, ALC5623_HID_CTRL_DATA, 0);
69 		break;
70 	}
71 
72 	return 0;
73 }
74 
75 /*
76  * ALC5623 Controls
77  */
78 
79 static const DECLARE_TLV_DB_SCALE(vol_tlv, -3450, 150, 0);
80 static const DECLARE_TLV_DB_SCALE(hp_tlv, -4650, 150, 0);
81 static const DECLARE_TLV_DB_SCALE(adc_rec_tlv, -1650, 150, 0);
82 static const unsigned int boost_tlv[] = {
83 	TLV_DB_RANGE_HEAD(3),
84 	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
85 	1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
86 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
87 };
88 static const DECLARE_TLV_DB_SCALE(dig_tlv, 0, 600, 0);
89 
90 static const struct snd_kcontrol_new alc5621_vol_snd_controls[] = {
91 	SOC_DOUBLE_TLV("Speaker Playback Volume",
92 			ALC5623_SPK_OUT_VOL, 8, 0, 31, 1, hp_tlv),
93 	SOC_DOUBLE("Speaker Playback Switch",
94 			ALC5623_SPK_OUT_VOL, 15, 7, 1, 1),
95 	SOC_DOUBLE_TLV("Headphone Playback Volume",
96 			ALC5623_HP_OUT_VOL, 8, 0, 31, 1, hp_tlv),
97 	SOC_DOUBLE("Headphone Playback Switch",
98 			ALC5623_HP_OUT_VOL, 15, 7, 1, 1),
99 };
100 
101 static const struct snd_kcontrol_new alc5622_vol_snd_controls[] = {
102 	SOC_DOUBLE_TLV("Speaker Playback Volume",
103 			ALC5623_SPK_OUT_VOL, 8, 0, 31, 1, hp_tlv),
104 	SOC_DOUBLE("Speaker Playback Switch",
105 			ALC5623_SPK_OUT_VOL, 15, 7, 1, 1),
106 	SOC_DOUBLE_TLV("Line Playback Volume",
107 			ALC5623_HP_OUT_VOL, 8, 0, 31, 1, hp_tlv),
108 	SOC_DOUBLE("Line Playback Switch",
109 			ALC5623_HP_OUT_VOL, 15, 7, 1, 1),
110 };
111 
112 static const struct snd_kcontrol_new alc5623_vol_snd_controls[] = {
113 	SOC_DOUBLE_TLV("Line Playback Volume",
114 			ALC5623_SPK_OUT_VOL, 8, 0, 31, 1, hp_tlv),
115 	SOC_DOUBLE("Line Playback Switch",
116 			ALC5623_SPK_OUT_VOL, 15, 7, 1, 1),
117 	SOC_DOUBLE_TLV("Headphone Playback Volume",
118 			ALC5623_HP_OUT_VOL, 8, 0, 31, 1, hp_tlv),
119 	SOC_DOUBLE("Headphone Playback Switch",
120 			ALC5623_HP_OUT_VOL, 15, 7, 1, 1),
121 };
122 
123 static const struct snd_kcontrol_new alc5623_snd_controls[] = {
124 	SOC_DOUBLE_TLV("Auxout Playback Volume",
125 			ALC5623_MONO_AUX_OUT_VOL, 8, 0, 31, 1, hp_tlv),
126 	SOC_DOUBLE("Auxout Playback Switch",
127 			ALC5623_MONO_AUX_OUT_VOL, 15, 7, 1, 1),
128 	SOC_DOUBLE_TLV("PCM Playback Volume",
129 			ALC5623_STEREO_DAC_VOL, 8, 0, 31, 1, vol_tlv),
130 	SOC_DOUBLE_TLV("AuxI Capture Volume",
131 			ALC5623_AUXIN_VOL, 8, 0, 31, 1, vol_tlv),
132 	SOC_DOUBLE_TLV("LineIn Capture Volume",
133 			ALC5623_LINE_IN_VOL, 8, 0, 31, 1, vol_tlv),
134 	SOC_SINGLE_TLV("Mic1 Capture Volume",
135 			ALC5623_MIC_VOL, 8, 31, 1, vol_tlv),
136 	SOC_SINGLE_TLV("Mic2 Capture Volume",
137 			ALC5623_MIC_VOL, 0, 31, 1, vol_tlv),
138 	SOC_DOUBLE_TLV("Rec Capture Volume",
139 			ALC5623_ADC_REC_GAIN, 7, 0, 31, 0, adc_rec_tlv),
140 	SOC_SINGLE_TLV("Mic 1 Boost Volume",
141 			ALC5623_MIC_CTRL, 10, 2, 0, boost_tlv),
142 	SOC_SINGLE_TLV("Mic 2 Boost Volume",
143 			ALC5623_MIC_CTRL, 8, 2, 0, boost_tlv),
144 	SOC_SINGLE_TLV("Digital Boost Volume",
145 			ALC5623_ADD_CTRL_REG, 4, 3, 0, dig_tlv),
146 };
147 
148 /*
149  * DAPM Controls
150  */
151 static const struct snd_kcontrol_new alc5623_hp_mixer_controls[] = {
152 SOC_DAPM_SINGLE("LI2HP Playback Switch", ALC5623_LINE_IN_VOL, 15, 1, 1),
153 SOC_DAPM_SINGLE("AUXI2HP Playback Switch", ALC5623_AUXIN_VOL, 15, 1, 1),
154 SOC_DAPM_SINGLE("MIC12HP Playback Switch", ALC5623_MIC_ROUTING_CTRL, 15, 1, 1),
155 SOC_DAPM_SINGLE("MIC22HP Playback Switch", ALC5623_MIC_ROUTING_CTRL, 7, 1, 1),
156 SOC_DAPM_SINGLE("DAC2HP Playback Switch", ALC5623_STEREO_DAC_VOL, 15, 1, 1),
157 };
158 
159 static const struct snd_kcontrol_new alc5623_hpl_mixer_controls[] = {
160 SOC_DAPM_SINGLE("ADC2HP_L Playback Switch", ALC5623_ADC_REC_GAIN, 15, 1, 1),
161 };
162 
163 static const struct snd_kcontrol_new alc5623_hpr_mixer_controls[] = {
164 SOC_DAPM_SINGLE("ADC2HP_R Playback Switch", ALC5623_ADC_REC_GAIN, 14, 1, 1),
165 };
166 
167 static const struct snd_kcontrol_new alc5623_mono_mixer_controls[] = {
168 SOC_DAPM_SINGLE("ADC2MONO_L Playback Switch", ALC5623_ADC_REC_GAIN, 13, 1, 1),
169 SOC_DAPM_SINGLE("ADC2MONO_R Playback Switch", ALC5623_ADC_REC_GAIN, 12, 1, 1),
170 SOC_DAPM_SINGLE("LI2MONO Playback Switch", ALC5623_LINE_IN_VOL, 13, 1, 1),
171 SOC_DAPM_SINGLE("AUXI2MONO Playback Switch", ALC5623_AUXIN_VOL, 13, 1, 1),
172 SOC_DAPM_SINGLE("MIC12MONO Playback Switch", ALC5623_MIC_ROUTING_CTRL, 13, 1, 1),
173 SOC_DAPM_SINGLE("MIC22MONO Playback Switch", ALC5623_MIC_ROUTING_CTRL, 5, 1, 1),
174 SOC_DAPM_SINGLE("DAC2MONO Playback Switch", ALC5623_STEREO_DAC_VOL, 13, 1, 1),
175 };
176 
177 static const struct snd_kcontrol_new alc5623_speaker_mixer_controls[] = {
178 SOC_DAPM_SINGLE("LI2SPK Playback Switch", ALC5623_LINE_IN_VOL, 14, 1, 1),
179 SOC_DAPM_SINGLE("AUXI2SPK Playback Switch", ALC5623_AUXIN_VOL, 14, 1, 1),
180 SOC_DAPM_SINGLE("MIC12SPK Playback Switch", ALC5623_MIC_ROUTING_CTRL, 14, 1, 1),
181 SOC_DAPM_SINGLE("MIC22SPK Playback Switch", ALC5623_MIC_ROUTING_CTRL, 6, 1, 1),
182 SOC_DAPM_SINGLE("DAC2SPK Playback Switch", ALC5623_STEREO_DAC_VOL, 14, 1, 1),
183 };
184 
185 /* Left Record Mixer */
186 static const struct snd_kcontrol_new alc5623_captureL_mixer_controls[] = {
187 SOC_DAPM_SINGLE("Mic1 Capture Switch", ALC5623_ADC_REC_MIXER, 14, 1, 1),
188 SOC_DAPM_SINGLE("Mic2 Capture Switch", ALC5623_ADC_REC_MIXER, 13, 1, 1),
189 SOC_DAPM_SINGLE("LineInL Capture Switch", ALC5623_ADC_REC_MIXER, 12, 1, 1),
190 SOC_DAPM_SINGLE("Left AuxI Capture Switch", ALC5623_ADC_REC_MIXER, 11, 1, 1),
191 SOC_DAPM_SINGLE("HPMixerL Capture Switch", ALC5623_ADC_REC_MIXER, 10, 1, 1),
192 SOC_DAPM_SINGLE("SPKMixer Capture Switch", ALC5623_ADC_REC_MIXER, 9, 1, 1),
193 SOC_DAPM_SINGLE("MonoMixer Capture Switch", ALC5623_ADC_REC_MIXER, 8, 1, 1),
194 };
195 
196 /* Right Record Mixer */
197 static const struct snd_kcontrol_new alc5623_captureR_mixer_controls[] = {
198 SOC_DAPM_SINGLE("Mic1 Capture Switch", ALC5623_ADC_REC_MIXER, 6, 1, 1),
199 SOC_DAPM_SINGLE("Mic2 Capture Switch", ALC5623_ADC_REC_MIXER, 5, 1, 1),
200 SOC_DAPM_SINGLE("LineInR Capture Switch", ALC5623_ADC_REC_MIXER, 4, 1, 1),
201 SOC_DAPM_SINGLE("Right AuxI Capture Switch", ALC5623_ADC_REC_MIXER, 3, 1, 1),
202 SOC_DAPM_SINGLE("HPMixerR Capture Switch", ALC5623_ADC_REC_MIXER, 2, 1, 1),
203 SOC_DAPM_SINGLE("SPKMixer Capture Switch", ALC5623_ADC_REC_MIXER, 1, 1, 1),
204 SOC_DAPM_SINGLE("MonoMixer Capture Switch", ALC5623_ADC_REC_MIXER, 0, 1, 1),
205 };
206 
207 static const char *alc5623_spk_n_sour_sel[] = {
208 		"RN/-R", "RP/+R", "LN/-R", "Vmid" };
209 static const char *alc5623_hpl_out_input_sel[] = {
210 		"Vmid", "HP Left Mix"};
211 static const char *alc5623_hpr_out_input_sel[] = {
212 		"Vmid", "HP Right Mix"};
213 static const char *alc5623_spkout_input_sel[] = {
214 		"Vmid", "HPOut Mix", "Speaker Mix", "Mono Mix"};
215 static const char *alc5623_aux_out_input_sel[] = {
216 		"Vmid", "HPOut Mix", "Speaker Mix", "Mono Mix"};
217 
218 /* auxout output mux */
219 static SOC_ENUM_SINGLE_DECL(alc5623_aux_out_input_enum,
220 			    ALC5623_OUTPUT_MIXER_CTRL, 6,
221 			    alc5623_aux_out_input_sel);
222 static const struct snd_kcontrol_new alc5623_auxout_mux_controls =
223 SOC_DAPM_ENUM("Route", alc5623_aux_out_input_enum);
224 
225 /* speaker output mux */
226 static SOC_ENUM_SINGLE_DECL(alc5623_spkout_input_enum,
227 			    ALC5623_OUTPUT_MIXER_CTRL, 10,
228 			    alc5623_spkout_input_sel);
229 static const struct snd_kcontrol_new alc5623_spkout_mux_controls =
230 SOC_DAPM_ENUM("Route", alc5623_spkout_input_enum);
231 
232 /* headphone left output mux */
233 static SOC_ENUM_SINGLE_DECL(alc5623_hpl_out_input_enum,
234 			    ALC5623_OUTPUT_MIXER_CTRL, 9,
235 			    alc5623_hpl_out_input_sel);
236 static const struct snd_kcontrol_new alc5623_hpl_out_mux_controls =
237 SOC_DAPM_ENUM("Route", alc5623_hpl_out_input_enum);
238 
239 /* headphone right output mux */
240 static SOC_ENUM_SINGLE_DECL(alc5623_hpr_out_input_enum,
241 			    ALC5623_OUTPUT_MIXER_CTRL, 8,
242 			    alc5623_hpr_out_input_sel);
243 static const struct snd_kcontrol_new alc5623_hpr_out_mux_controls =
244 SOC_DAPM_ENUM("Route", alc5623_hpr_out_input_enum);
245 
246 /* speaker output N select */
247 static SOC_ENUM_SINGLE_DECL(alc5623_spk_n_sour_enum,
248 			    ALC5623_OUTPUT_MIXER_CTRL, 14,
249 			    alc5623_spk_n_sour_sel);
250 static const struct snd_kcontrol_new alc5623_spkoutn_mux_controls =
251 SOC_DAPM_ENUM("Route", alc5623_spk_n_sour_enum);
252 
253 static const struct snd_soc_dapm_widget alc5623_dapm_widgets[] = {
254 /* Muxes */
255 SND_SOC_DAPM_MUX("AuxOut Mux", SND_SOC_NOPM, 0, 0,
256 	&alc5623_auxout_mux_controls),
257 SND_SOC_DAPM_MUX("SpeakerOut Mux", SND_SOC_NOPM, 0, 0,
258 	&alc5623_spkout_mux_controls),
259 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0,
260 	&alc5623_hpl_out_mux_controls),
261 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0,
262 	&alc5623_hpr_out_mux_controls),
263 SND_SOC_DAPM_MUX("SpeakerOut N Mux", SND_SOC_NOPM, 0, 0,
264 	&alc5623_spkoutn_mux_controls),
265 
266 /* output mixers */
267 SND_SOC_DAPM_MIXER("HP Mix", SND_SOC_NOPM, 0, 0,
268 	&alc5623_hp_mixer_controls[0],
269 	ARRAY_SIZE(alc5623_hp_mixer_controls)),
270 SND_SOC_DAPM_MIXER("HPR Mix", ALC5623_PWR_MANAG_ADD2, 4, 0,
271 	&alc5623_hpr_mixer_controls[0],
272 	ARRAY_SIZE(alc5623_hpr_mixer_controls)),
273 SND_SOC_DAPM_MIXER("HPL Mix", ALC5623_PWR_MANAG_ADD2, 5, 0,
274 	&alc5623_hpl_mixer_controls[0],
275 	ARRAY_SIZE(alc5623_hpl_mixer_controls)),
276 SND_SOC_DAPM_MIXER("HPOut Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
277 SND_SOC_DAPM_MIXER("Mono Mix", ALC5623_PWR_MANAG_ADD2, 2, 0,
278 	&alc5623_mono_mixer_controls[0],
279 	ARRAY_SIZE(alc5623_mono_mixer_controls)),
280 SND_SOC_DAPM_MIXER("Speaker Mix", ALC5623_PWR_MANAG_ADD2, 3, 0,
281 	&alc5623_speaker_mixer_controls[0],
282 	ARRAY_SIZE(alc5623_speaker_mixer_controls)),
283 
284 /* input mixers */
285 SND_SOC_DAPM_MIXER("Left Capture Mix", ALC5623_PWR_MANAG_ADD2, 1, 0,
286 	&alc5623_captureL_mixer_controls[0],
287 	ARRAY_SIZE(alc5623_captureL_mixer_controls)),
288 SND_SOC_DAPM_MIXER("Right Capture Mix", ALC5623_PWR_MANAG_ADD2, 0, 0,
289 	&alc5623_captureR_mixer_controls[0],
290 	ARRAY_SIZE(alc5623_captureR_mixer_controls)),
291 
292 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback",
293 	ALC5623_PWR_MANAG_ADD2, 9, 0),
294 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback",
295 	ALC5623_PWR_MANAG_ADD2, 8, 0),
296 SND_SOC_DAPM_MIXER("I2S Mix", ALC5623_PWR_MANAG_ADD1, 15, 0, NULL, 0),
297 SND_SOC_DAPM_MIXER("AuxI Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
298 SND_SOC_DAPM_MIXER("Line Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
299 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture",
300 	ALC5623_PWR_MANAG_ADD2, 7, 0),
301 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture",
302 	ALC5623_PWR_MANAG_ADD2, 6, 0),
303 SND_SOC_DAPM_PGA("Left Headphone", ALC5623_PWR_MANAG_ADD3, 10, 0, NULL, 0),
304 SND_SOC_DAPM_PGA("Right Headphone", ALC5623_PWR_MANAG_ADD3, 9, 0, NULL, 0),
305 SND_SOC_DAPM_PGA("SpeakerOut", ALC5623_PWR_MANAG_ADD3, 12, 0, NULL, 0),
306 SND_SOC_DAPM_PGA("Left AuxOut", ALC5623_PWR_MANAG_ADD3, 14, 0, NULL, 0),
307 SND_SOC_DAPM_PGA("Right AuxOut", ALC5623_PWR_MANAG_ADD3, 13, 0, NULL, 0),
308 SND_SOC_DAPM_PGA("Left LineIn", ALC5623_PWR_MANAG_ADD3, 7, 0, NULL, 0),
309 SND_SOC_DAPM_PGA("Right LineIn", ALC5623_PWR_MANAG_ADD3, 6, 0, NULL, 0),
310 SND_SOC_DAPM_PGA("Left AuxI", ALC5623_PWR_MANAG_ADD3, 5, 0, NULL, 0),
311 SND_SOC_DAPM_PGA("Right AuxI", ALC5623_PWR_MANAG_ADD3, 4, 0, NULL, 0),
312 SND_SOC_DAPM_PGA("MIC1 PGA", ALC5623_PWR_MANAG_ADD3, 3, 0, NULL, 0),
313 SND_SOC_DAPM_PGA("MIC2 PGA", ALC5623_PWR_MANAG_ADD3, 2, 0, NULL, 0),
314 SND_SOC_DAPM_PGA("MIC1 Pre Amp", ALC5623_PWR_MANAG_ADD3, 1, 0, NULL, 0),
315 SND_SOC_DAPM_PGA("MIC2 Pre Amp", ALC5623_PWR_MANAG_ADD3, 0, 0, NULL, 0),
316 SND_SOC_DAPM_MICBIAS("Mic Bias1", ALC5623_PWR_MANAG_ADD1, 11, 0),
317 
318 SND_SOC_DAPM_OUTPUT("AUXOUTL"),
319 SND_SOC_DAPM_OUTPUT("AUXOUTR"),
320 SND_SOC_DAPM_OUTPUT("HPL"),
321 SND_SOC_DAPM_OUTPUT("HPR"),
322 SND_SOC_DAPM_OUTPUT("SPKOUT"),
323 SND_SOC_DAPM_OUTPUT("SPKOUTN"),
324 SND_SOC_DAPM_INPUT("LINEINL"),
325 SND_SOC_DAPM_INPUT("LINEINR"),
326 SND_SOC_DAPM_INPUT("AUXINL"),
327 SND_SOC_DAPM_INPUT("AUXINR"),
328 SND_SOC_DAPM_INPUT("MIC1"),
329 SND_SOC_DAPM_INPUT("MIC2"),
330 SND_SOC_DAPM_VMID("Vmid"),
331 };
332 
333 static const char *alc5623_amp_names[] = {"AB Amp", "D Amp"};
334 static SOC_ENUM_SINGLE_DECL(alc5623_amp_enum,
335 			    ALC5623_OUTPUT_MIXER_CTRL, 13,
336 			    alc5623_amp_names);
337 static const struct snd_kcontrol_new alc5623_amp_mux_controls =
338 	SOC_DAPM_ENUM("Route", alc5623_amp_enum);
339 
340 static const struct snd_soc_dapm_widget alc5623_dapm_amp_widgets[] = {
341 SND_SOC_DAPM_PGA_E("D Amp", ALC5623_PWR_MANAG_ADD2, 14, 0, NULL, 0,
342 	amp_mixer_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
343 SND_SOC_DAPM_PGA("AB Amp", ALC5623_PWR_MANAG_ADD2, 15, 0, NULL, 0),
344 SND_SOC_DAPM_MUX("AB-D Amp Mux", SND_SOC_NOPM, 0, 0,
345 	&alc5623_amp_mux_controls),
346 };
347 
348 static const struct snd_soc_dapm_route intercon[] = {
349 	/* virtual mixer - mixes left & right channels */
350 	{"I2S Mix", NULL,				"Left DAC"},
351 	{"I2S Mix", NULL,				"Right DAC"},
352 	{"Line Mix", NULL,				"Right LineIn"},
353 	{"Line Mix", NULL,				"Left LineIn"},
354 	{"AuxI Mix", NULL,				"Left AuxI"},
355 	{"AuxI Mix", NULL,				"Right AuxI"},
356 	{"AUXOUTL", NULL,				"Left AuxOut"},
357 	{"AUXOUTR", NULL,				"Right AuxOut"},
358 
359 	/* HP mixer */
360 	{"HPL Mix", "ADC2HP_L Playback Switch",		"Left Capture Mix"},
361 	{"HPL Mix", NULL,				"HP Mix"},
362 	{"HPR Mix", "ADC2HP_R Playback Switch",		"Right Capture Mix"},
363 	{"HPR Mix", NULL,				"HP Mix"},
364 	{"HP Mix", "LI2HP Playback Switch",		"Line Mix"},
365 	{"HP Mix", "AUXI2HP Playback Switch",		"AuxI Mix"},
366 	{"HP Mix", "MIC12HP Playback Switch",		"MIC1 PGA"},
367 	{"HP Mix", "MIC22HP Playback Switch",		"MIC2 PGA"},
368 	{"HP Mix", "DAC2HP Playback Switch",		"I2S Mix"},
369 
370 	/* speaker mixer */
371 	{"Speaker Mix", "LI2SPK Playback Switch",	"Line Mix"},
372 	{"Speaker Mix", "AUXI2SPK Playback Switch",	"AuxI Mix"},
373 	{"Speaker Mix", "MIC12SPK Playback Switch",	"MIC1 PGA"},
374 	{"Speaker Mix", "MIC22SPK Playback Switch",	"MIC2 PGA"},
375 	{"Speaker Mix", "DAC2SPK Playback Switch",	"I2S Mix"},
376 
377 	/* mono mixer */
378 	{"Mono Mix", "ADC2MONO_L Playback Switch",	"Left Capture Mix"},
379 	{"Mono Mix", "ADC2MONO_R Playback Switch",	"Right Capture Mix"},
380 	{"Mono Mix", "LI2MONO Playback Switch",		"Line Mix"},
381 	{"Mono Mix", "AUXI2MONO Playback Switch",	"AuxI Mix"},
382 	{"Mono Mix", "MIC12MONO Playback Switch",	"MIC1 PGA"},
383 	{"Mono Mix", "MIC22MONO Playback Switch",	"MIC2 PGA"},
384 	{"Mono Mix", "DAC2MONO Playback Switch",	"I2S Mix"},
385 
386 	/* Left record mixer */
387 	{"Left Capture Mix", "LineInL Capture Switch",	"LINEINL"},
388 	{"Left Capture Mix", "Left AuxI Capture Switch", "AUXINL"},
389 	{"Left Capture Mix", "Mic1 Capture Switch",	"MIC1 Pre Amp"},
390 	{"Left Capture Mix", "Mic2 Capture Switch",	"MIC2 Pre Amp"},
391 	{"Left Capture Mix", "HPMixerL Capture Switch", "HPL Mix"},
392 	{"Left Capture Mix", "SPKMixer Capture Switch", "Speaker Mix"},
393 	{"Left Capture Mix", "MonoMixer Capture Switch", "Mono Mix"},
394 
395 	/*Right record mixer */
396 	{"Right Capture Mix", "LineInR Capture Switch",	"LINEINR"},
397 	{"Right Capture Mix", "Right AuxI Capture Switch",	"AUXINR"},
398 	{"Right Capture Mix", "Mic1 Capture Switch",	"MIC1 Pre Amp"},
399 	{"Right Capture Mix", "Mic2 Capture Switch",	"MIC2 Pre Amp"},
400 	{"Right Capture Mix", "HPMixerR Capture Switch", "HPR Mix"},
401 	{"Right Capture Mix", "SPKMixer Capture Switch", "Speaker Mix"},
402 	{"Right Capture Mix", "MonoMixer Capture Switch", "Mono Mix"},
403 
404 	/* headphone left mux */
405 	{"Left Headphone Mux", "HP Left Mix",		"HPL Mix"},
406 	{"Left Headphone Mux", "Vmid",			"Vmid"},
407 
408 	/* headphone right mux */
409 	{"Right Headphone Mux", "HP Right Mix",		"HPR Mix"},
410 	{"Right Headphone Mux", "Vmid",			"Vmid"},
411 
412 	/* speaker out mux */
413 	{"SpeakerOut Mux", "Vmid",			"Vmid"},
414 	{"SpeakerOut Mux", "HPOut Mix",			"HPOut Mix"},
415 	{"SpeakerOut Mux", "Speaker Mix",		"Speaker Mix"},
416 	{"SpeakerOut Mux", "Mono Mix",			"Mono Mix"},
417 
418 	/* Mono/Aux Out mux */
419 	{"AuxOut Mux", "Vmid",				"Vmid"},
420 	{"AuxOut Mux", "HPOut Mix",			"HPOut Mix"},
421 	{"AuxOut Mux", "Speaker Mix",			"Speaker Mix"},
422 	{"AuxOut Mux", "Mono Mix",			"Mono Mix"},
423 
424 	/* output pga */
425 	{"HPL", NULL,					"Left Headphone"},
426 	{"Left Headphone", NULL,			"Left Headphone Mux"},
427 	{"HPR", NULL,					"Right Headphone"},
428 	{"Right Headphone", NULL,			"Right Headphone Mux"},
429 	{"Left AuxOut", NULL,				"AuxOut Mux"},
430 	{"Right AuxOut", NULL,				"AuxOut Mux"},
431 
432 	/* input pga */
433 	{"Left LineIn", NULL,				"LINEINL"},
434 	{"Right LineIn", NULL,				"LINEINR"},
435 	{"Left AuxI", NULL,				"AUXINL"},
436 	{"Right AuxI", NULL,				"AUXINR"},
437 	{"MIC1 Pre Amp", NULL,				"MIC1"},
438 	{"MIC2 Pre Amp", NULL,				"MIC2"},
439 	{"MIC1 PGA", NULL,				"MIC1 Pre Amp"},
440 	{"MIC2 PGA", NULL,				"MIC2 Pre Amp"},
441 
442 	/* left ADC */
443 	{"Left ADC", NULL,				"Left Capture Mix"},
444 
445 	/* right ADC */
446 	{"Right ADC", NULL,				"Right Capture Mix"},
447 
448 	{"SpeakerOut N Mux", "RN/-R",			"SpeakerOut"},
449 	{"SpeakerOut N Mux", "RP/+R",			"SpeakerOut"},
450 	{"SpeakerOut N Mux", "LN/-R",			"SpeakerOut"},
451 	{"SpeakerOut N Mux", "Vmid",			"Vmid"},
452 
453 	{"SPKOUT", NULL,				"SpeakerOut"},
454 	{"SPKOUTN", NULL,				"SpeakerOut N Mux"},
455 };
456 
457 static const struct snd_soc_dapm_route intercon_spk[] = {
458 	{"SpeakerOut", NULL,				"SpeakerOut Mux"},
459 };
460 
461 static const struct snd_soc_dapm_route intercon_amp_spk[] = {
462 	{"AB Amp", NULL,				"SpeakerOut Mux"},
463 	{"D Amp", NULL,					"SpeakerOut Mux"},
464 	{"AB-D Amp Mux", "AB Amp",			"AB Amp"},
465 	{"AB-D Amp Mux", "D Amp",			"D Amp"},
466 	{"SpeakerOut", NULL,				"AB-D Amp Mux"},
467 };
468 
469 /* PLL divisors */
470 struct _pll_div {
471 	u32 pll_in;
472 	u32 pll_out;
473 	u16 regvalue;
474 };
475 
476 /* Note : pll code from original alc5623 driver. Not sure of how good it is */
477 /* useful only for master mode */
478 static const struct _pll_div codec_master_pll_div[] = {
479 
480 	{  2048000,  8192000,	0x0ea0},
481 	{  3686400,  8192000,	0x4e27},
482 	{ 12000000,  8192000,	0x456b},
483 	{ 13000000,  8192000,	0x495f},
484 	{ 13100000,  8192000,	0x0320},
485 	{  2048000,  11289600,	0xf637},
486 	{  3686400,  11289600,	0x2f22},
487 	{ 12000000,  11289600,	0x3e2f},
488 	{ 13000000,  11289600,	0x4d5b},
489 	{ 13100000,  11289600,	0x363b},
490 	{  2048000,  16384000,	0x1ea0},
491 	{  3686400,  16384000,	0x9e27},
492 	{ 12000000,  16384000,	0x452b},
493 	{ 13000000,  16384000,	0x542f},
494 	{ 13100000,  16384000,	0x03a0},
495 	{  2048000,  16934400,	0xe625},
496 	{  3686400,  16934400,	0x9126},
497 	{ 12000000,  16934400,	0x4d2c},
498 	{ 13000000,  16934400,	0x742f},
499 	{ 13100000,  16934400,	0x3c27},
500 	{  2048000,  22579200,	0x2aa0},
501 	{  3686400,  22579200,	0x2f20},
502 	{ 12000000,  22579200,	0x7e2f},
503 	{ 13000000,  22579200,	0x742f},
504 	{ 13100000,  22579200,	0x3c27},
505 	{  2048000,  24576000,	0x2ea0},
506 	{  3686400,  24576000,	0xee27},
507 	{ 12000000,  24576000,	0x2915},
508 	{ 13000000,  24576000,	0x772e},
509 	{ 13100000,  24576000,	0x0d20},
510 };
511 
512 static const struct _pll_div codec_slave_pll_div[] = {
513 
514 	{  1024000,  16384000,  0x3ea0},
515 	{  1411200,  22579200,	0x3ea0},
516 	{  1536000,  24576000,	0x3ea0},
517 	{  2048000,  16384000,  0x1ea0},
518 	{  2822400,  22579200,	0x1ea0},
519 	{  3072000,  24576000,	0x1ea0},
520 
521 };
522 
523 static int alc5623_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
524 		int source, unsigned int freq_in, unsigned int freq_out)
525 {
526 	int i;
527 	struct snd_soc_codec *codec = codec_dai->codec;
528 	int gbl_clk = 0, pll_div = 0;
529 	u16 reg;
530 
531 	if (pll_id < ALC5623_PLL_FR_MCLK || pll_id > ALC5623_PLL_FR_BCK)
532 		return -ENODEV;
533 
534 	/* Disable PLL power */
535 	snd_soc_update_bits(codec, ALC5623_PWR_MANAG_ADD2,
536 				ALC5623_PWR_ADD2_PLL,
537 				0);
538 
539 	/* pll is not used in slave mode */
540 	reg = snd_soc_read(codec, ALC5623_DAI_CONTROL);
541 	if (reg & ALC5623_DAI_SDP_SLAVE_MODE)
542 		return 0;
543 
544 	if (!freq_in || !freq_out)
545 		return 0;
546 
547 	switch (pll_id) {
548 	case ALC5623_PLL_FR_MCLK:
549 		for (i = 0; i < ARRAY_SIZE(codec_master_pll_div); i++) {
550 			if (codec_master_pll_div[i].pll_in == freq_in
551 			   && codec_master_pll_div[i].pll_out == freq_out) {
552 				/* PLL source from MCLK */
553 				pll_div  = codec_master_pll_div[i].regvalue;
554 				break;
555 			}
556 		}
557 		break;
558 	case ALC5623_PLL_FR_BCK:
559 		for (i = 0; i < ARRAY_SIZE(codec_slave_pll_div); i++) {
560 			if (codec_slave_pll_div[i].pll_in == freq_in
561 			   && codec_slave_pll_div[i].pll_out == freq_out) {
562 				/* PLL source from Bitclk */
563 				gbl_clk = ALC5623_GBL_CLK_PLL_SOUR_SEL_BITCLK;
564 				pll_div = codec_slave_pll_div[i].regvalue;
565 				break;
566 			}
567 		}
568 		break;
569 	default:
570 		return -EINVAL;
571 	}
572 
573 	if (!pll_div)
574 		return -EINVAL;
575 
576 	snd_soc_write(codec, ALC5623_GLOBAL_CLK_CTRL_REG, gbl_clk);
577 	snd_soc_write(codec, ALC5623_PLL_CTRL, pll_div);
578 	snd_soc_update_bits(codec, ALC5623_PWR_MANAG_ADD2,
579 				ALC5623_PWR_ADD2_PLL,
580 				ALC5623_PWR_ADD2_PLL);
581 	gbl_clk |= ALC5623_GBL_CLK_SYS_SOUR_SEL_PLL;
582 	snd_soc_write(codec, ALC5623_GLOBAL_CLK_CTRL_REG, gbl_clk);
583 
584 	return 0;
585 }
586 
587 struct _coeff_div {
588 	u16 fs;
589 	u16 regvalue;
590 };
591 
592 /* codec hifi mclk (after PLL) clock divider coefficients */
593 /* values inspired from column BCLK=32Fs of Appendix A table */
594 static const struct _coeff_div coeff_div[] = {
595 	{256*8, 0x3a69},
596 	{384*8, 0x3c6b},
597 	{256*4, 0x2a69},
598 	{384*4, 0x2c6b},
599 	{256*2, 0x1a69},
600 	{384*2, 0x1c6b},
601 	{256*1, 0x0a69},
602 	{384*1, 0x0c6b},
603 };
604 
605 static int get_coeff(struct snd_soc_codec *codec, int rate)
606 {
607 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
608 	int i;
609 
610 	for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
611 		if (coeff_div[i].fs * rate == alc5623->sysclk)
612 			return i;
613 	}
614 	return -EINVAL;
615 }
616 
617 /*
618  * Clock after PLL and dividers
619  */
620 static int alc5623_set_dai_sysclk(struct snd_soc_dai *codec_dai,
621 		int clk_id, unsigned int freq, int dir)
622 {
623 	struct snd_soc_codec *codec = codec_dai->codec;
624 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
625 
626 	switch (freq) {
627 	case  8192000:
628 	case 11289600:
629 	case 12288000:
630 	case 16384000:
631 	case 16934400:
632 	case 18432000:
633 	case 22579200:
634 	case 24576000:
635 		alc5623->sysclk = freq;
636 		return 0;
637 	}
638 	return -EINVAL;
639 }
640 
641 static int alc5623_set_dai_fmt(struct snd_soc_dai *codec_dai,
642 		unsigned int fmt)
643 {
644 	struct snd_soc_codec *codec = codec_dai->codec;
645 	u16 iface = 0;
646 
647 	/* set master/slave audio interface */
648 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
649 	case SND_SOC_DAIFMT_CBM_CFM:
650 		iface = ALC5623_DAI_SDP_MASTER_MODE;
651 		break;
652 	case SND_SOC_DAIFMT_CBS_CFS:
653 		iface = ALC5623_DAI_SDP_SLAVE_MODE;
654 		break;
655 	default:
656 		return -EINVAL;
657 	}
658 
659 	/* interface format */
660 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
661 	case SND_SOC_DAIFMT_I2S:
662 		iface |= ALC5623_DAI_I2S_DF_I2S;
663 		break;
664 	case SND_SOC_DAIFMT_RIGHT_J:
665 		iface |= ALC5623_DAI_I2S_DF_RIGHT;
666 		break;
667 	case SND_SOC_DAIFMT_LEFT_J:
668 		iface |= ALC5623_DAI_I2S_DF_LEFT;
669 		break;
670 	case SND_SOC_DAIFMT_DSP_A:
671 		iface |= ALC5623_DAI_I2S_DF_PCM;
672 		break;
673 	case SND_SOC_DAIFMT_DSP_B:
674 		iface |= ALC5623_DAI_I2S_DF_PCM | ALC5623_DAI_I2S_PCM_MODE;
675 		break;
676 	default:
677 		return -EINVAL;
678 	}
679 
680 	/* clock inversion */
681 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
682 	case SND_SOC_DAIFMT_NB_NF:
683 		break;
684 	case SND_SOC_DAIFMT_IB_IF:
685 		iface |= ALC5623_DAI_MAIN_I2S_BCLK_POL_CTRL;
686 		break;
687 	case SND_SOC_DAIFMT_IB_NF:
688 		iface |= ALC5623_DAI_MAIN_I2S_BCLK_POL_CTRL;
689 		break;
690 	case SND_SOC_DAIFMT_NB_IF:
691 		break;
692 	default:
693 		return -EINVAL;
694 	}
695 
696 	return snd_soc_write(codec, ALC5623_DAI_CONTROL, iface);
697 }
698 
699 static int alc5623_pcm_hw_params(struct snd_pcm_substream *substream,
700 		struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
701 {
702 	struct snd_soc_codec *codec = dai->codec;
703 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
704 	int coeff, rate;
705 	u16 iface;
706 
707 	iface = snd_soc_read(codec, ALC5623_DAI_CONTROL);
708 	iface &= ~ALC5623_DAI_I2S_DL_MASK;
709 
710 	/* bit size */
711 	switch (params_width(params)) {
712 	case 16:
713 		iface |= ALC5623_DAI_I2S_DL_16;
714 		break;
715 	case 20:
716 		iface |= ALC5623_DAI_I2S_DL_20;
717 		break;
718 	case 24:
719 		iface |= ALC5623_DAI_I2S_DL_24;
720 		break;
721 	case 32:
722 		iface |= ALC5623_DAI_I2S_DL_32;
723 		break;
724 	default:
725 		return -EINVAL;
726 	}
727 
728 	/* set iface & srate */
729 	snd_soc_write(codec, ALC5623_DAI_CONTROL, iface);
730 	rate = params_rate(params);
731 	coeff = get_coeff(codec, rate);
732 	if (coeff < 0)
733 		return -EINVAL;
734 
735 	coeff = coeff_div[coeff].regvalue;
736 	dev_dbg(codec->dev, "%s: sysclk=%d,rate=%d,coeff=0x%04x\n",
737 		__func__, alc5623->sysclk, rate, coeff);
738 	snd_soc_write(codec, ALC5623_STEREO_AD_DA_CLK_CTRL, coeff);
739 
740 	return 0;
741 }
742 
743 static int alc5623_mute(struct snd_soc_dai *dai, int mute)
744 {
745 	struct snd_soc_codec *codec = dai->codec;
746 	u16 hp_mute = ALC5623_MISC_M_DAC_L_INPUT | ALC5623_MISC_M_DAC_R_INPUT;
747 	u16 mute_reg = snd_soc_read(codec, ALC5623_MISC_CTRL) & ~hp_mute;
748 
749 	if (mute)
750 		mute_reg |= hp_mute;
751 
752 	return snd_soc_write(codec, ALC5623_MISC_CTRL, mute_reg);
753 }
754 
755 #define ALC5623_ADD2_POWER_EN (ALC5623_PWR_ADD2_VREF \
756 	| ALC5623_PWR_ADD2_DAC_REF_CIR)
757 
758 #define ALC5623_ADD3_POWER_EN (ALC5623_PWR_ADD3_MAIN_BIAS \
759 	| ALC5623_PWR_ADD3_MIC1_BOOST_AD)
760 
761 #define ALC5623_ADD1_POWER_EN \
762 	(ALC5623_PWR_ADD1_SHORT_CURR_DET_EN | ALC5623_PWR_ADD1_SOFTGEN_EN \
763 	| ALC5623_PWR_ADD1_DEPOP_BUF_HP | ALC5623_PWR_ADD1_HP_OUT_AMP \
764 	| ALC5623_PWR_ADD1_HP_OUT_ENH_AMP)
765 
766 #define ALC5623_ADD1_POWER_EN_5622 \
767 	(ALC5623_PWR_ADD1_SHORT_CURR_DET_EN \
768 	| ALC5623_PWR_ADD1_HP_OUT_AMP)
769 
770 static void enable_power_depop(struct snd_soc_codec *codec)
771 {
772 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
773 
774 	snd_soc_update_bits(codec, ALC5623_PWR_MANAG_ADD1,
775 				ALC5623_PWR_ADD1_SOFTGEN_EN,
776 				ALC5623_PWR_ADD1_SOFTGEN_EN);
777 
778 	snd_soc_write(codec, ALC5623_PWR_MANAG_ADD3, ALC5623_ADD3_POWER_EN);
779 
780 	snd_soc_update_bits(codec, ALC5623_MISC_CTRL,
781 				ALC5623_MISC_HP_DEPOP_MODE2_EN,
782 				ALC5623_MISC_HP_DEPOP_MODE2_EN);
783 
784 	msleep(500);
785 
786 	snd_soc_write(codec, ALC5623_PWR_MANAG_ADD2, ALC5623_ADD2_POWER_EN);
787 
788 	/* avoid writing '1' into 5622 reserved bits */
789 	if (alc5623->id == 0x22)
790 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD1,
791 			ALC5623_ADD1_POWER_EN_5622);
792 	else
793 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD1,
794 			ALC5623_ADD1_POWER_EN);
795 
796 	/* disable HP Depop2 */
797 	snd_soc_update_bits(codec, ALC5623_MISC_CTRL,
798 				ALC5623_MISC_HP_DEPOP_MODE2_EN,
799 				0);
800 
801 }
802 
803 static int alc5623_set_bias_level(struct snd_soc_codec *codec,
804 				      enum snd_soc_bias_level level)
805 {
806 	switch (level) {
807 	case SND_SOC_BIAS_ON:
808 		enable_power_depop(codec);
809 		break;
810 	case SND_SOC_BIAS_PREPARE:
811 		break;
812 	case SND_SOC_BIAS_STANDBY:
813 		/* everything off except vref/vmid, */
814 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD2,
815 				ALC5623_PWR_ADD2_VREF);
816 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD3,
817 				ALC5623_PWR_ADD3_MAIN_BIAS);
818 		break;
819 	case SND_SOC_BIAS_OFF:
820 		/* everything off, dac mute, inactive */
821 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD2, 0);
822 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD3, 0);
823 		snd_soc_write(codec, ALC5623_PWR_MANAG_ADD1, 0);
824 		break;
825 	}
826 	codec->dapm.bias_level = level;
827 	return 0;
828 }
829 
830 #define ALC5623_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE \
831 			| SNDRV_PCM_FMTBIT_S24_LE \
832 			| SNDRV_PCM_FMTBIT_S32_LE)
833 
834 static const struct snd_soc_dai_ops alc5623_dai_ops = {
835 		.hw_params = alc5623_pcm_hw_params,
836 		.digital_mute = alc5623_mute,
837 		.set_fmt = alc5623_set_dai_fmt,
838 		.set_sysclk = alc5623_set_dai_sysclk,
839 		.set_pll = alc5623_set_dai_pll,
840 };
841 
842 static struct snd_soc_dai_driver alc5623_dai = {
843 	.name = "alc5623-hifi",
844 	.playback = {
845 		.stream_name = "Playback",
846 		.channels_min = 1,
847 		.channels_max = 2,
848 		.rate_min =	8000,
849 		.rate_max =	48000,
850 		.rates = SNDRV_PCM_RATE_8000_48000,
851 		.formats = ALC5623_FORMATS,},
852 	.capture = {
853 		.stream_name = "Capture",
854 		.channels_min = 1,
855 		.channels_max = 2,
856 		.rate_min =	8000,
857 		.rate_max =	48000,
858 		.rates = SNDRV_PCM_RATE_8000_48000,
859 		.formats = ALC5623_FORMATS,},
860 
861 	.ops = &alc5623_dai_ops,
862 };
863 
864 static int alc5623_suspend(struct snd_soc_codec *codec)
865 {
866 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
867 
868 	alc5623_set_bias_level(codec, SND_SOC_BIAS_OFF);
869 	regcache_cache_only(alc5623->regmap, true);
870 
871 	return 0;
872 }
873 
874 static int alc5623_resume(struct snd_soc_codec *codec)
875 {
876 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
877 	int ret;
878 
879 	/* Sync reg_cache with the hardware */
880 	regcache_cache_only(alc5623->regmap, false);
881 	ret = regcache_sync(alc5623->regmap);
882 	if (ret != 0) {
883 		dev_err(codec->dev, "Failed to sync register cache: %d\n",
884 			ret);
885 		regcache_cache_only(alc5623->regmap, true);
886 		return ret;
887 	}
888 
889 	alc5623_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
890 
891 	/* charge alc5623 caps */
892 	if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) {
893 		alc5623_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
894 		codec->dapm.bias_level = SND_SOC_BIAS_ON;
895 		alc5623_set_bias_level(codec, codec->dapm.bias_level);
896 	}
897 
898 	return 0;
899 }
900 
901 static int alc5623_probe(struct snd_soc_codec *codec)
902 {
903 	struct alc5623_priv *alc5623 = snd_soc_codec_get_drvdata(codec);
904 	struct snd_soc_dapm_context *dapm = &codec->dapm;
905 
906 	alc5623_reset(codec);
907 
908 	/* power on device */
909 	alc5623_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
910 
911 	if (alc5623->add_ctrl) {
912 		snd_soc_write(codec, ALC5623_ADD_CTRL_REG,
913 				alc5623->add_ctrl);
914 	}
915 
916 	if (alc5623->jack_det_ctrl) {
917 		snd_soc_write(codec, ALC5623_JACK_DET_CTRL,
918 				alc5623->jack_det_ctrl);
919 	}
920 
921 	switch (alc5623->id) {
922 	case 0x21:
923 		snd_soc_add_codec_controls(codec, alc5621_vol_snd_controls,
924 			ARRAY_SIZE(alc5621_vol_snd_controls));
925 		break;
926 	case 0x22:
927 		snd_soc_add_codec_controls(codec, alc5622_vol_snd_controls,
928 			ARRAY_SIZE(alc5622_vol_snd_controls));
929 		break;
930 	case 0x23:
931 		snd_soc_add_codec_controls(codec, alc5623_vol_snd_controls,
932 			ARRAY_SIZE(alc5623_vol_snd_controls));
933 		break;
934 	default:
935 		return -EINVAL;
936 	}
937 
938 	snd_soc_add_codec_controls(codec, alc5623_snd_controls,
939 			ARRAY_SIZE(alc5623_snd_controls));
940 
941 	snd_soc_dapm_new_controls(dapm, alc5623_dapm_widgets,
942 					ARRAY_SIZE(alc5623_dapm_widgets));
943 
944 	/* set up audio path interconnects */
945 	snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
946 
947 	switch (alc5623->id) {
948 	case 0x21:
949 	case 0x22:
950 		snd_soc_dapm_new_controls(dapm, alc5623_dapm_amp_widgets,
951 					ARRAY_SIZE(alc5623_dapm_amp_widgets));
952 		snd_soc_dapm_add_routes(dapm, intercon_amp_spk,
953 					ARRAY_SIZE(intercon_amp_spk));
954 		break;
955 	case 0x23:
956 		snd_soc_dapm_add_routes(dapm, intercon_spk,
957 					ARRAY_SIZE(intercon_spk));
958 		break;
959 	default:
960 		return -EINVAL;
961 	}
962 
963 	return 0;
964 }
965 
966 /* power down chip */
967 static int alc5623_remove(struct snd_soc_codec *codec)
968 {
969 	alc5623_set_bias_level(codec, SND_SOC_BIAS_OFF);
970 	return 0;
971 }
972 
973 static struct snd_soc_codec_driver soc_codec_device_alc5623 = {
974 	.probe = alc5623_probe,
975 	.remove = alc5623_remove,
976 	.suspend = alc5623_suspend,
977 	.resume = alc5623_resume,
978 	.set_bias_level = alc5623_set_bias_level,
979 };
980 
981 static const struct regmap_config alc5623_regmap = {
982 	.reg_bits = 8,
983 	.val_bits = 16,
984 	.reg_stride = 2,
985 
986 	.max_register = ALC5623_VENDOR_ID2,
987 	.cache_type = REGCACHE_RBTREE,
988 };
989 
990 /*
991  * ALC5623 2 wire address is determined by A1 pin
992  * state during powerup.
993  *    low  = 0x1a
994  *    high = 0x1b
995  */
996 static int alc5623_i2c_probe(struct i2c_client *client,
997 			     const struct i2c_device_id *id)
998 {
999 	struct alc5623_platform_data *pdata;
1000 	struct alc5623_priv *alc5623;
1001 	unsigned int vid1, vid2;
1002 	int ret;
1003 
1004 	alc5623 = devm_kzalloc(&client->dev, sizeof(struct alc5623_priv),
1005 			       GFP_KERNEL);
1006 	if (alc5623 == NULL)
1007 		return -ENOMEM;
1008 
1009 	alc5623->regmap = devm_regmap_init_i2c(client, &alc5623_regmap);
1010 	if (IS_ERR(alc5623->regmap)) {
1011 		ret = PTR_ERR(alc5623->regmap);
1012 		dev_err(&client->dev, "Failed to initialise I/O: %d\n", ret);
1013 		return ret;
1014 	}
1015 
1016 	ret = regmap_read(alc5623->regmap, ALC5623_VENDOR_ID1, &vid1);
1017 	if (ret < 0) {
1018 		dev_err(&client->dev, "failed to read vendor ID1: %d\n", ret);
1019 		return ret;
1020 	}
1021 	vid1 = ((vid1 & 0xff) << 8) | (vid1 >> 8);
1022 
1023 	ret = regmap_read(alc5623->regmap, ALC5623_VENDOR_ID2, &vid2);
1024 	if (ret < 0) {
1025 		dev_err(&client->dev, "failed to read vendor ID2: %d\n", ret);
1026 		return ret;
1027 	}
1028 
1029 	if ((vid1 != 0x10ec) || (vid2 != id->driver_data)) {
1030 		dev_err(&client->dev, "unknown or wrong codec\n");
1031 		dev_err(&client->dev, "Expected %x:%lx, got %x:%x\n",
1032 				0x10ec, id->driver_data,
1033 				vid1, vid2);
1034 		return -ENODEV;
1035 	}
1036 
1037 	dev_dbg(&client->dev, "Found codec id : alc56%02x\n", vid2);
1038 
1039 	pdata = client->dev.platform_data;
1040 	if (pdata) {
1041 		alc5623->add_ctrl = pdata->add_ctrl;
1042 		alc5623->jack_det_ctrl = pdata->jack_det_ctrl;
1043 	}
1044 
1045 	alc5623->id = vid2;
1046 	switch (alc5623->id) {
1047 	case 0x21:
1048 		alc5623_dai.name = "alc5621-hifi";
1049 		break;
1050 	case 0x22:
1051 		alc5623_dai.name = "alc5622-hifi";
1052 		break;
1053 	case 0x23:
1054 		alc5623_dai.name = "alc5623-hifi";
1055 		break;
1056 	default:
1057 		return -EINVAL;
1058 	}
1059 
1060 	i2c_set_clientdata(client, alc5623);
1061 
1062 	ret =  snd_soc_register_codec(&client->dev,
1063 		&soc_codec_device_alc5623, &alc5623_dai, 1);
1064 	if (ret != 0)
1065 		dev_err(&client->dev, "Failed to register codec: %d\n", ret);
1066 
1067 	return ret;
1068 }
1069 
1070 static int alc5623_i2c_remove(struct i2c_client *client)
1071 {
1072 	snd_soc_unregister_codec(&client->dev);
1073 	return 0;
1074 }
1075 
1076 static const struct i2c_device_id alc5623_i2c_table[] = {
1077 	{"alc5621", 0x21},
1078 	{"alc5622", 0x22},
1079 	{"alc5623", 0x23},
1080 	{}
1081 };
1082 MODULE_DEVICE_TABLE(i2c, alc5623_i2c_table);
1083 
1084 /*  i2c codec control layer */
1085 static struct i2c_driver alc5623_i2c_driver = {
1086 	.driver = {
1087 		.name = "alc562x-codec",
1088 		.owner = THIS_MODULE,
1089 	},
1090 	.probe = alc5623_i2c_probe,
1091 	.remove =  alc5623_i2c_remove,
1092 	.id_table = alc5623_i2c_table,
1093 };
1094 
1095 module_i2c_driver(alc5623_i2c_driver);
1096 
1097 MODULE_DESCRIPTION("ASoC alc5621/2/3 driver");
1098 MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
1099 MODULE_LICENSE("GPL");
1100